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CelerityResourceController.php
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Created
Thu, Sep 5, 14:31
Size
3 KB
Mime Type
text/x-php
Expires
Sat, Sep 7, 14:31 (2 d)
Engine
blob
Format
Raw Data
Handle
20557657
Attached To
rPH Phabricator
CelerityResourceController.php
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<?php
/*
* Copyright 2011 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/**
* Delivers CSS and JS resources to the browser. This controller handles all
* ##/res/## requests, and manages caching, package construction, and resource
* preprocessing.
*
* @group celerity
*/
class
CelerityResourceController
extends
AphrontController
{
private
$path
;
private
$hash
;
private
$package
;
public
function
willProcessRequest
(
array
$data
)
{
$this
->
path
=
$data
[
'path'
];
$this
->
hash
=
$data
[
'hash'
];
$this
->
package
=
!
empty
(
$data
[
'package'
]);
}
public
function
processRequest
()
{
$path
=
$this
->
path
;
// Sanity checking to keep this from exposing anything sensitive.
$path
=
preg_replace
(
'@(//|
\\
.
\\
.)@'
,
''
,
$path
);
$matches
=
null
;
if
(!
preg_match
(
'/
\.
(css|js)$/'
,
$path
,
$matches
))
{
throw
new
Exception
(
"Only CSS and JS resources may be served."
);
}
if
(
isset
(
$_SERVER
[
'HTTP_IF_MODIFIED_SINCE'
])
&&
!
PhabricatorEnv
::
getEnvConfig
(
'celerity.force-disk-reads'
))
{
// Return a "304 Not Modified". We don't care about the value of this
// field since we never change what resource is served by a given URI.
return
$this
->
makeResponseCacheable
(
new
Aphront304Response
());
}
$type
=
$matches
[
1
];
$root
=
dirname
(
phutil_get_library_root
(
'phabricator'
));
if
(
$this
->
package
)
{
$map
=
CelerityResourceMap
::
getInstance
();
$paths
=
$map
->
resolvePackage
(
$this
->
hash
);
if
(!
$paths
)
{
return
new
Aphront404Response
();
}
try
{
$data
=
array
();
foreach
(
$paths
as
$path
)
{
$data
[]
=
Filesystem
::
readFile
(
$root
.
'/webroot/'
.
$path
);
}
$data
=
implode
(
"
\n\n
"
,
$data
);
}
catch
(
Exception
$ex
)
{
return
new
Aphront404Response
();
}
}
else
{
try
{
$data
=
Filesystem
::
readFile
(
$root
.
'/webroot/'
.
$path
);
}
catch
(
Exception
$ex
)
{
return
new
Aphront404Response
();
}
}
$response
=
new
AphrontFileResponse
();
$response
->
setContent
(
$data
);
switch
(
$type
)
{
case
'css'
:
$response
->
setMimeType
(
"text/css; charset=utf-8"
);
break
;
case
'js'
:
$response
->
setMimeType
(
"text/javascript; charset=utf-8"
);
break
;
}
return
$this
->
makeResponseCacheable
(
$response
);
}
private
function
makeResponseCacheable
(
AphrontResponse
$response
)
{
$response
->
setCacheDurationInSeconds
(
60
*
60
*
24
*
30
);
$response
->
setLastModified
(
time
());
return
$response
;
}
}
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